6432491 has 8 divisors (see below), whose sum is σ = 6948480. Its totient is φ = 5919552.

The previous prime is 6432457. The next prime is 6432509. The reversal of 6432491 is 1942346.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6432491 - 2⁶ = 6432427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6432401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5711 + ... + 6743.

It is an arithmetic number, because the mean of its divisors is an integer number (868560).

Almost surely, 2^6432491 is an apocalyptic number.

6432491 is a deficient number, since it is larger than the sum of its proper divisors (515989).

6432491 is a wasteful number, since it uses less digits than its factorization.

6432491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1525.

The product of its digits is 5184, while the sum is 29.

The square root of 6432491 is about 2536.2355963120. The cubic root of 6432491 is about 185.9772103731.

The spelling of 6432491 in words is "six million, four hundred thirty-two thousand, four hundred ninety-one".